Roehler, H. W. (1973). Geologic map of the Henderson Ridge quadrangle, Garfield County, Colorado. The Survey.
Chicago Style (17th ed.) CitationRoehler, Henry W. Geologic Map of the Henderson Ridge Quadrangle, Garfield County, Colorado. Washington, D.C.: The Survey, 1973.
MLA (9th ed.) CitationRoehler, Henry W. Geologic Map of the Henderson Ridge Quadrangle, Garfield County, Colorado. The Survey, 1973.
Warning: These citations may not always be 100% accurate.